WorksheetsDAHLONEGA SCIENCE 2nd 9 weeks EXAM REVIEW
Total questions: 45
Worksheet time: 11hrs 15mins
Jelly-like substance containing chemicals that helps keep the cell healthy_____________________.
cell wall
cytoplasm
mitochondria
supports and protects the cell _______________.
vacuole
nucleus
cell wall
makes food for the cell _________________.
cell membrane
chloroplast
nucleus
releases energy for the cell ________________.
mitochondria
nucleus
vacuole
stores food and water for cells (large for the plant and small for the animal) ________________
nucleus
vacuole
cytoplasm
directs the cell's activities (the brain) ____________
cell membrane
nucleus
cell wall
holds the cell together and separates it from the surroundings _________________
cell wall
cell membrane
mitochondria
uses photosynthesis to make food for the cell ________________
chloroplast
cell wall
nucleus
This is outside the cell membrane and protects the plant cell ____________.
cell membrane
cell wall
nucleus
True or False
Both single-and multi-celled organisms have organelles
TRUE
FALSE
TRUE or FALSE
Multi-celled organisms are made of trillions of cells; each cell is able to carry out its own function; made of; cell- tissue- organ- organ system.
TRUE
FALSE
TRUE OR FALSE
Single-celled oranisms function the same way; they have organs and tissues
TRUE
FALSE
Fill in the blank.
__________________ more bacteria on Earth than any other living thing-shaped like rods and spirals- single celled.
Hand sanitizer
Bacteria
Water
Fill in the blank.
_________________ 80,000 kinds -examples: algae- makes own food; protozoan hunt for food, can be single celled or multi-celled.
President
Proactive
Protists
Fill in the blank.
_________________-examples: mold, yeast. They look like plants, but can't make their own food; known as decomposers- most fungi are multi-celled.
Bacteria
Protists
Fungi
True or False
Bacteria can help with our digestive system and break down food- example yogurt.
TRUE
FALSE
TRUE or FALSE
Phytoplankton is not the main source of food for small fish
TRUE
FALSE
TRUE or FALSE
Bacteria turns mild into yogurt; mold into blue cheese and can be made into medicines, yeast makes bread rise.
TRUE
FALSE
Which statement is NOT true about washing your hands?
Washing your hands can keep germs from spreading.
Not washing your hands can help build up your immune system and makes you stronger as a person.
If you do not wash your hands, germs and other microbes or bad bacteria can spread to others and yourself causing some sicknesses.
Animals with a BACKBONE
Verebrates
Invertebrates
Animals WITHOUT a BACKBONE
Vertebrates
Invertebrates
Fill in the blank.
_______________ have scaly skin and most lay their eggs on land.
monkey
fish
reptiles
Fill in the blank.
__________________ begin life in water but live on land as adults.
Reptiles
Amphibians
Mammals
Fill in the blank.
_____________ have hair and produce mild for their young.
Fish
Birds
Mammals
Fill in the blank.
_________________ have feathers which keep them warm and help them fly.
fish
reptiles
birds
Fill in the blank.
_______________ have scales and live their entire life in the water.
Birds
Mammals
Fish
Fill in the blank.
_______________________ do not have true roots-anchored to the ground by small root like structures- no true leaves-do not have tissue to carry materials throughout the plant.
Vascular Plants
Nonvascular Plants
Fish
Fill in the blank.
_________________ have tissue to support the plant, carries food and water- roots, stems, and leaves all contain vascular tissue.
Nonvascular plants
Vascular plants
Vertebrates
vascular tissue that carries water and nutrients from roots to other parts of plants.
Angiosperm
Gymnosperm
Xylem
vascular tissue that carries food from leaves to the rest of the plant.
Phloem
Gymnosperm
Angiosperm
a plant that produces naked seeds like a pine cone.
Gymnosperm
Phloem
Angiosperm
a flowering plant, which has seeds protected by fruit.
Gymnosperm
Angiosperm
Xylem
True or FALSE
Pollen grains are released and can look like a golden dust cloud. Some of the pollen settles on other plants and then seeds will develop.
TRUE
FALSE
True or False
When the seeds mature, they will land on a suitable habitat and a new plant will grow.
FALSE
TRUE
An instinct is a behavior that is _______________, or passed from a parent to their offspring.
passed
inherited
observed
An inherited trait is a characteristic _____________ from parent to their offspring such as their hair or eye color.
thrown
passed
spelled
Which of these is a learned behavior, a behavior in which an animal acquires through experience?
riding a bicycle
sleeping
breathing
___________ are behaviors that organisms inherit, passed from parents to their offspring.
learned behaviors
instincts
habitat
What is this an example of:
hitting a baseball
learned behavior
instinct
habit
____________ are acquired through experience, not born or inherited.
instincts
habits
learned behaviors
TRUE or FALSE
Birds have an instinct to build a nest, but they learn from experience how to build it.
TRUE
FALSE
A ___________ is the part of a chromosome that contains the DNA code for an inherited trait, such as hair color.
molebule
cell
gene
What tool is best to use while observing the cells and their structures?
binoculars
microscopes
telescopes
TRUE or FALSE
Tooth decay can be caused by a microorganism.
TRUE
FALSE
Which of these is a learned behavior of a dog?
Barking
Eating
Shaking hands
Sleeping
